Effect of Acute L-Tryptophan Exposure on the Brain Serotonergic System and Behavior in the Male Medaka(Behavior Biology)
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概要
- 論文の詳細を見る
The aim of this study was to investigate the effect of exposure to L-tryptophan (TRP) on the metabolism of 5-hydroxytryptamine (5HT) and behavior of medaka. In the first experiment, the fish were exposed to a 0, 1, 2 or 4 g/l of TRP solution for 24 hr. Although no significant difference in the brain 5HT content was detected, 5-hydroxyindoleacetic acid (5HIAA), a major 5HT metabolite, increased in a dose-dependent fashion. In the second experiment, the fish were maintained in a 0 or 4 g/l of TRP solution for 28 hr, and then their behaviors were monitored. The fish reared in under TRP solution were divided into two groups and transferred to either fresh water or a TRP solution. The locomotion of the TRP-treated group significantly increased compared to the control group irrespective of water conditions. It was suggested that TRP exposure activated the brain 5HTnergic systems and stimulated behavior of medaka.
- 社団法人日本動物学会の論文
- 2003-02-25
著者
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OSHIMA YUJI
Laboratory of Marine Environmental Science, Bioscience and Biotechnology, Kyushu University
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FURUSE Mitsuhiro
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenviron
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Takagi Tomo
Kyushu University
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Furuse Mitsuhiro
Laboratory Of Animal Feed Science Faculty Of Agriculture Kyushu University
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Furuse Mitsuhiro
Laboratory Of Advanced Animal And Marine Bioresources Faculty Of Agriculture Kyushu University
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Zhang Rong
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Zhang Rong
Department Of Biochemistry Saga Medical School
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Oshima Yuji
Laboratory Of Fisheries Environmental Science Graduate School Of Bioresource And Bioenvironmental Sc
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Koutoku Tomoyuki
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresources and Bioenviro
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Tachibana Tetsuya
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresources and Bioenviro
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Furuse M
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Tachibana Tetsuya
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Takagi Tomo
Faculty Of Agriculture Miyazaki University
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Koutoku Tomoyuki
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Furuse M
Graduate School Of Bioresource And Bioenvironmental Sciences Kyushu University
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